Activity Cards

Cancelled due to weather.

Discover the most rugged and remote area of the Irvine Ranch Natural Landmarks from the trails of Fremont Canyon Nature Preserve on an Advanced Mountain Bike Ride.  Fremont Canyon remains one of the most wild places in Orange County, with a diversity of rare plants and animals, and this ride includes natural trail hazards such as sand, tree roots, ruts, and exposed rocks.  There are also several very tough, steep climbs, with an approximate elevation gain of 3,500 feet over 19 miles.  This wild ride is rated MTB-5 for expert riders in excellent physical condition who will be rewarded with the remote wonders of Fremont Canyon.

Cancelled Due to Weather

Join us for an extremely challenging and strenuous hiking adventure in the scenic Fremont Canyon Wilderness Area. This 15-mile loop hike is for experienced, physically fit distance hikers only. The hike is on fire/SCE dirt roads with numerous significantly steep, unrelenting climbs and descents. There is minimal to no shade on the route. We hike the entire rim of Fremont Canyon, passing by an abandoned coal mine, the Fremont Weather Station and the remnants of a rare stand of Tecate cypress. Along the way we’ll have sweeping views of Orange County, the Santa Ana Mountains and surrounding mountain ranges. Please bring a minimum of 100 oz. water and trail snacks. Come prepared with a pack, sturdy closed-toe hiking shoes or boots, sunscreen, first aid, and all other supplies to keep you safe and healthy on the trail for the full-day hike in this remote wilderness area.

Santiago Oaks Regional Park needs help in caring for its beautiful woodland gardens.
No experience is necessary. Training, tools and gloves will be provided. Duties and responsibilities will vary week to week and month to month.
Duties will include supplemental watering of plants, weeding, removing dead flower heads, dividing bulbs, planting and transplanting new plants, pruning dead and brown leaves from plants, spreading mulch around plants in the plant beds, removing fallen leaves from the plant beds, and feeding plants.